LTC3785EUF-1#PBF

Product Overview

Category

The LTC3785EUF-1#PBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• The LTC3785EUF-1#PBF is a high-performance synchronous buck-boost DC/DC converter.
• It operates over a wide input voltage range, making it suitable for various power supply designs.
• This IC offers high efficiency and low quiescent current, ensuring optimal power conversion.
• It provides a compact solution for both step-up and step-down voltage regulation.

Package

The LTC3785EUF-1#PBF comes in a 24-lead plastic QFN (Quad Flat No-Lead) package.

Essence

The essence of this product lies in its ability to efficiently regulate voltage levels in power management applications.

Packaging/Quantity

The LTC3785EUF-1#PBF is typically packaged in reels and available in quantities suitable for production needs.

Specifications

• Input Voltage Range: 4V to 38V
• Output Voltage Range: -3.5V to 60V
• Switching Frequency: Up to 550kHz
• Maximum Continuous Output Current: 4A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LTC3785EUF-1#PBF features a 24-pin configuration with the following pin assignments:

1. VIN: Input Voltage
2. SW: Switch Node Connection
3. PGND: Power Ground
4. AGND: Analog Ground
5. FB: Feedback Voltage Input
6. VFB: Feedback Voltage Output
7. SS/TR: Soft-Start/Tracking Control
8. SYNC/MODE: External Clock Synchronization/Mode Selection
9. VCC: IC Supply Voltage
10. VOUT: Output Voltage
11. PGND: Power Ground
12. AGND: Analog Ground
13. SS/TR: Soft-Start/Tracking Control
14. SYNC/MODE: External Clock Synchronization/Mode Selection
15. VCC: IC Supply Voltage
16. VOUT: Output Voltage
17. PGND: Power Ground
18. AGND: Analog Ground
19. SS/TR: Soft-Start/Tracking Control
20. SYNC/MODE: External Clock Synchronization/Mode Selection
21. VCC: IC Supply Voltage
22. VOUT: Output Voltage
23. PGND: Power Ground
24. AGND: Analog Ground

Functional Features

The LTC3785EUF-1#PBF offers the following functional features:

• Wide input voltage range allows for versatile power supply designs.
• High efficiency and low quiescent current ensure optimal power conversion.
• Synchronous buck-boost architecture enables both step-up and step-down voltage regulation.
• Soft-start and tracking control facilitate smooth startup and output voltage tracking.

Advantages and Disadvantages

Advantages

• Wide input voltage range provides flexibility in power supply design.
• High efficiency results in reduced power loss and improved energy efficiency.
• Synchronous buck-boost architecture enables seamless voltage regulation.
• Compact package size allows for space-saving designs.

Disadvantages

• Limited maximum continuous output current may not be suitable for high-power applications.
• Higher switching frequency may require additional considerations for noise management.

Working Principles

The LTC3785EUF-1#PBF operates based on a synchronous buck-boost topology. It utilizes high-frequency switching to efficiently regulate the input voltage to the desired output voltage level. By adjusting the duty cycle of the switching signal, the IC can step up or step down the voltage as required. This enables the LTC3785EUF-1#PBF to provide a flexible and efficient solution for power management applications.

Detailed Application Field Plans

The LTC3785EUF-1#PBF finds application in various fields, including but not limited to:

1. Battery-powered devices: The ability to regulate voltage levels efficiently makes this IC suitable for portable electronic devices that rely on battery power.
2. Automotive electronics: The wide input voltage range and compact package size make it ideal for automotive power supply designs.
3. Industrial equipment: The LTC3785EUF-1#PBF can be used in industrial applications where reliable and efficient power management is crucial.
4. Renewable energy systems: This IC can be employed in renewable energy systems, such as solar or wind power, to regulate voltage levels and optimize energy conversion.

Detailed and Complete Alternative Models

1. LTC3785EUFD-1#PBF
2. LTC3785IUFD-1#PBF
3. LTC3785EFE-1#PBF
4. LTC